ML20043B667

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Advises That Util Response to NRC Bulletin 90-002, Loss of Thermal Margin Caused by Channel Bow, Confirmed That Channel Boxes Not Currently Used for Second Bundle Lifetime & Reporting Requirements Inapplicable to Facility
ML20043B667
Person / Time
Site: Pilgrim
Issue date: 05/23/1990
From: Eaton R
Office of Nuclear Reactor Regulation
To: Bird R
BOSTON EDISON CO.
References
IEB-90-002, IEB-90-2, TAC-76346, NUDOCS 9005310087
Download: ML20043B667 (3)


Text

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May 23,1990 docketNo.50-293 Mr. Ralph G. Bird Senior Vice-President. Nuclear Boston Edision Company 1

Pilgrim Nuclear Power Station RFD #1 Rocky Hill Foad Plymouth, Massachusetts 02360

Dear Mr. Bird:

SUBJECT:

NRC BULLETIH 90 02 - PILGRIM NUCLEAR POWER STATION (TAC 76346) s NRC Bulletin 90 02, " Loss of Thermal Margin Caused by Channel Bow,"

dated March 20, 1990, was issued to request that licensees determine whather any channel boxes are being reused after their first bundle lifetime and,.if so, to ensure that the effects of channel box bcv on the critical power ratio are properly taken into account.

By letter, dated April 18, 1990, Boston Edison responded to this uulletin and stated that the Pilgrim Huclear Power Station (PNPS) does not currently use channel boxes for a second bundle lifetime; therefore, the NRC Bulletin 90-02

./

reporting requirements are not applicable to PNPS.

This completes the requirements of TAC 76346.

?

Ronald Eaton, Project Manager Project Directorate 1 3 Division of Reactor Regulation 1/11 r

cc:

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Highfill Mr.' Richard N. Swanson, Manager Vice President of Operations /

Nuclear Engineering Department Station Station Boston Edison Company j

Pilgrim Nuclear Power Station 25 Braintree Hill Park l

RFD #1 Rocky Hill Road Braintree, Massachusetts 02184 Plymouth, Massachusetts 02360 Resident inspector Ms. Elaine D. Robinson U. S. Nuclear Regulatory Commission Nuclear Information Manager Pilgrim Nuclear Powel Station Pilgrim Nuclear Power Station

-i Post Office Box 867 RFD #1, Rocky Hill Road 4

Plymouth, Massachusetts 02360 Plymouth, Massachusetts 02360 l

Chairman, Board of Selectmen Mr. Charles V. Barry j

11 Lincoln Street Secretary of Public Safety Plymouth, Massachusetts 02360 Executive Office of Public Safety One Ashburton Place Office of the Commissioner Boston, Massachusetts 02108 3

flassachusetts Department of -

Environmental Out.lity Engineering One Winter Street Boston, Massactiusetts 02108

-Office of the Atturney General One Ashburton Place i?Oth Floor Boston, Massachusetts 02108 i

tir. Robert M. Fallisey, Director Radiation Control Program Massachusetts Department of Public Health l'io Tremont Street, 2nd Floor Boston, Massachusetts 02111 Regional Administrator, Region l' U. S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, Pennsylvania 19406 l

l Mr. John Dietrich 1.icensing Division Manager Boston Edison Company s

i 25 Braintree Hill Park Praintree, Massachusetts 02184 l

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. DISTRIBUTION:

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